It’s the night shift and Ethan is in charge. Valentine comes into the ED with bad facial injuries, but will not admit the cause.
Meanwhile, Charlie discovers a couple, Alex and Janie, injured in a car crash when his own car breaks down nearby.
A suspicious death rouses the interest of PC Parker and DS Darling, but the day's events have also made Lily curious. She sets about trying to piece together the puzzle herself, but with what consequences?